Home / 27,371.51-37,771.53-15,435.97

Finding the Fourth Proportional to 27,371.51, 37,771.53 and 15,435.97

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Solution

The fourth proportional to 27,371.51, 37,771.53 and 15,435.97 is: 21,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.51 : 37,771.53 = 15,435.97 : x
  2. Step 2: Convert to fraction form
    27,371.51/37,771.53 = 15,435.97/x
  3. Step 3: Cross multiply
    27,371.51x = 37,771.53 × 15,435.97
  4. Step 4: Simplify right side
    27,371.51x = 583,040,203.93
  5. Step 5: Solve for x
    x = 583,040,203.93/27,371.51
  6. Step 6: Final answer
    x = 21,300.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.